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ClinicalTrials.gov public records Last synced May 21, 2026, 9:44 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Patients With Synucleinopathies Clear all
Terminated Phase 2Phase 3 Interventional
View directory record Official record
Conditions
Parkinson Disease, Dyskinesia, Drug-Induced, Dyskinesias
Interventions
Dipraglurant
Drug
Lead sponsor
Addex Pharma S.A.
Industry
Eligibility
30 Years to 85 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
7
States / cities
Augusta, Georgia • Kansas City, Kansas • New Brunswick, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced May 21, 2026, 9:44 PM EDT
Terminated Phase 4 Interventional
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Vitamin D3, Vitamin D3 - high dose, Placebo
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
18 Years to 89 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 23, 2017 · Synced May 21, 2026, 9:44 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Dyskinesias, Parkinson Disease, Movement Disorders, Parkinsonian Disorders, Anti-Dyskinesia Agents
Interventions
AFQ056, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
30 Years to 80 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
5
States / cities
Sunnyvale, California • Englewood, Colorado • Tampa, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 22, 2020 · Synced May 21, 2026, 9:44 PM EDT
Completed Early Phase 1 Interventional
View directory record Official record
Conditions
Multiple System Atrophy, Multiple System Atrophy, Cerebellar Variant, Multiple System Atrophy, Parkinson Variant (Disorder), Multiple System Atrophy (MSA) With Orthostatic Hypotension
Interventions
[F-18]PBR06, Verdiperstat
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 18, 2022 · Synced May 21, 2026, 9:44 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Early Stage Parkinson Disease
Interventions
Pardaprunox, pramipexole, Placebo Comparator
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
30 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
17
States / cities
Birmingham, Alabama • Oceanside, California • Oxnard, California + 13 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2008 · Synced May 21, 2026, 9:44 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Parkinson's Disease
Interventions
florbetapir F 18
Drug
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
60 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 10, 2013 · Synced May 21, 2026, 9:44 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Idiopathic Parkinson's Disease
Interventions
CVT-301
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
30 Years to 86 Years
Enrollment
325 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
55
States / cities
Scottsdale, Arizona • Fresno, California • Fullerton, California + 47 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2019 · Synced May 21, 2026, 9:44 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Idiopathic Parkinson's Disease
Interventions
CVT-301, Observational cohort
Drug · Other
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
30 Years to 85 Years
Enrollment
408 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
14
States / cities
Scottsdale, Arizona • Fountain Valley, California • Panorama City, California + 10 more
Source: ClinicalTrials.gov public record
Updated May 27, 2019 · Synced May 21, 2026, 9:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Parkinson Disease
Interventions
PAT sessions
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
40 Years to 75 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 20, 2022 · Synced May 21, 2026, 9:44 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy, Parkinson Disease
Interventions
Lu AF82422, Placebo
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
18 Years to 80 Years
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
4
States / cities
Glendale, California • Hollywood, Florida • Orlando, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2021 · Synced May 21, 2026, 9:44 PM EDT
Terminated Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Parkinson Disease
Interventions
Hydrogen, Placebo oral tablet
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
40 Years to 80 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Apr 11, 2023 · Synced May 21, 2026, 9:44 PM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis (ALS), Parkinson Disease (PD), Alzheimer Disease (AD), Multiple Sclerosis (MS)
Interventions
18F-OP-801
Drug
Lead sponsor
Ashvattha Therapeutics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
3
States / cities
San Francisco, California • Stanford, California • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced May 21, 2026, 9:44 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Parkinson Disease
Interventions
pramipexole
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
30 Years to 79 Years
Enrollment
535 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
32
States / cities
Brimingham, Alabama • Scottsdale, Arizona • La Jolla, California + 28 more
Source: ClinicalTrials.gov public record
Updated May 15, 2014 · Synced May 21, 2026, 9:44 PM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Parkinson Disease, Constipation
Interventions
Active Investigational Treatment ENT-01
Drug
Lead sponsor
Enterin Inc.
Industry
Eligibility
30 Years to 90 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
18
States / cities
Fountain Valley, California • Pasadena, California • Englewood, Colorado + 15 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced May 21, 2026, 9:44 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Parkinson's Disease
Interventions
MEDI1341, Placebo
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
40 Years to 85 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
5
States / cities
Long Beach, California • Hallandale, Florida • Atlanta, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2022 · Synced May 21, 2026, 9:44 PM EDT
Withdrawn Not applicable Interventional
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Harvesting and Implantation of Adipose-Derived Stem Cells
Procedure
Lead sponsor
Ageless Regenerative Institute
Industry
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Aventura, Florida
Source: ClinicalTrials.gov public record
Updated Nov 23, 2017 · Synced May 21, 2026, 9:44 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Parkinson's Disease
Interventions
1 mo baseline before visual cue
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 13, 2017 · Synced May 21, 2026, 9:44 PM EDT
Completed Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Parkinson's Disease, Depression
Interventions
SAM-e, oral escitalopram, placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
30 Years to 80 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced May 21, 2026, 9:44 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Hypertension
Interventions
Clonidine, Nitroglycerin transdermal, Dipyridamole/ Aspirin (Aggrenox), Desmopressin (DDAVP), Sildenafil, Nifedipine, Hydralazine, Hydrochlorothiazide, Placebo, Bosentan, Diltiazem, Eplerenone, guanfacine, L-arginine, captopril, carbidopa, losartan, metoprolol tartrate, nebivolol hydrochloride, prazosin hydrochloride, tamsulosin hydrochloride, Head-up tilt., aliskiren, Local heat stress
Drug · Dietary Supplement · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced May 21, 2026, 9:44 PM EDT
Terminated Phase 4 Interventional Results available
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Carbidopa/levodopa/entacapone, Immediate release carbidopa/levodopa
Drug
Lead sponsor
Novartis
Industry
Eligibility
30 Years to 85 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
21
States / cities
Phoenix, Arizona • Aliso Viejo, California • Irvine, California + 17 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2011 · Synced May 21, 2026, 9:44 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Parkinson's Disease
Interventions
UCB0599, Placebo
Drug
Lead sponsor
UCB Biopharma S.P.R.L.
Industry
Eligibility
40 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
6
States / cities
Long Beach, California • Bay Harbor Islands, Florida • DeLand, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated May 5, 2021 · Synced May 21, 2026, 9:44 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Parkinson's Disease
Interventions
LY3962681, Placebo (aCSF)
Drug · Other
Lead sponsor
Prevail Therapeutics
Industry
Eligibility
30 Years to 80 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced May 21, 2026, 9:44 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Alzheimer Disease, Parkinson Disease
Interventions
[123I]-IBVM
Drug
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
50 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 6, 2014 · Synced May 21, 2026, 9:44 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Parkinson's Disease
Interventions
rasagiline mesylate
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
30 Years and older
Enrollment
254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
6
States / cities
Fresno, California • Chicago, Illinois • Omaha, Nebraska + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 8, 2010 · Synced May 21, 2026, 9:44 PM EDT